The Defect in Canavan Disease That Causes the Symptoms Is

Multiple Choice

The defect in Canavan disease that causes the symptoms is

A) deficiency of an enzyme that enables T cells to stimulate B cells, providing immunity.
B) the stripping of the lipid layer from brain neurons.
C) proliferation of oligodendrocytes in the brain, causing a glioma tumor.
D) deficiency of an enzyme that is part of the urea cycle.
E) excess of a clotting factor.